The Number

20645

Twenty Thousand Six Hundred and Forty-Five

In Base 20 Vigesimal Is

2bc520

The numbers with a 20 subscript use Base 20 Vigesimal notation.

For more familiar numbers: See Twenty Thousand Six Hundred and Forty-Five in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

20642
2bc220
Twenty Thousand Six Hundred and Forty-Two in Base 20 Vigesimal
20643
2bc320
Twenty Thousand Six Hundred and Forty-Three in Base 20 Vigesimal
20644
2bc420
Twenty Thousand Six Hundred and Forty-Four in Base 20 Vigesimal
20646
2bc620
Twenty Thousand Six Hundred and Forty-Six in Base 20 Vigesimal
20647
2bc720
Twenty Thousand Six Hundred and Forty-Seven in Base 20 Vigesimal
20648
2bc820
Twenty Thousand Six Hundred and Forty-Eight in Base 20 Vigesimal

Scientific Notation

Scientific notation expresses a quantity as the product of its significand with 10 raised to an integer exponent.

2.0645e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0007f009df0c23fe20

The reciprocal of 20645 in Base 20 Vigesimal.

Palindrome?

A numerical palindrome has the same value when all of its digits are reversed.

The number 2bc520 is not a palindrome.

Not A Prime Number

A prime number is a positive integer that is divisible only by itself and one.

Twenty thousand six hundred and forty-five is a composite number with 4 total factors (including 1 and itself).   See primes in Base 20 Vigesimal

A Composite

Composites have more than just these two factors.

Twenty thousand six hundred and forty-five is a composite number with 4 total factors (including 1 and itself).

Prime Factors

The prime factors of a positive integer are the integers that divide it exactly and are also prime.

The number twenty thousand six hundred and forty-five has the following 2 prime factors:

5
520
Five in Base 20 Vigesimal
4129
a6920
Four Thousand One Hundred and Twenty-Nine in Base 20 Vigesimal

Prime Factorization

The prime factorization of a positive integer is the unique list of prime factors together with their multiplicities

5201 · a69201 = 2bc520

Base Conversions

The number twenty thousand six hundred and forty-five in 35 different bases